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SN₂P₂: A Neutral Five-Membered Sulfur–Pnictogen(III) Ring

Prof. Dr. Xiaoqing Zeng^1,*(曾小庆),   Hongmin Li¹,   Hailong Sun¹,   Dr. Helmut Beckers^2,*,   Prof. Dr. Helge Willner³  and   Prof. Dr. Henry F. Schaefer III^4,*  

¹ The Key Lab of Health Chemistry and Molecular Diagnosis of Suzhou, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123 (China)

² Freie Universität Berlin, Institut für Chemie und Biochemie, 14195 Berlin (Germany)

³ FB C—Anorganische Chemie, Bergische Universität Wuppertal, 42119 Wuppertal (Germany)

⁴ Center for Computational Quantum Chemistry, University of Georgia, Athens, GA 30677 (USA)

Angew. Chem. Int. Ed. 2015, 54, 1327–1330

The novel aromatic ring compound 2,4-diphospha-3,5-diaza-thiole (cyclo-SNPNP) was synthesized via flash pyrolysis of SP(N₃)₃ and characterized by IR spectroscopy and ¹⁵N isotope labeling. Quantum chemical computations indicate its formation by head-to-tail dimerization of SNP and subsequent elimination of a sulfur atom from the highly unstable boatlike six-membered-ring compound cyclo-SNPSNP.

链接：

//onlinelibrary.wiley.com/doi/10.1002/anie.201409868/abstract